| The theoretical study on diagonal wave interaction with perforated-wall breakwater with rock fill |
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| 作者姓名： | LIU Hongjie LIU Yong LI Yucheng |
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| 作者单位： | LIU Hongjie(Zhejiang Provincial Planning, Design & Research Institute of Communications, Hangzhou 310006, China);LIU Yong(College of Engineering, Ocean University of China, Qingdao 266100, China);LI Yucheng(State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116023, China) |
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| 基金项目： | The Natural Science Foundation of Shandong Province under contract，the Specialized Research Fund for the Doctoral Program of Higher Education under contract，the Found of Shandong Province Key Laboratory of Ocean Engineering |
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| 摘 要： | The interaction of diagonal waves with perforated-wall breakwater partially filled with rock fill is studied using the linear potential theory. By means of the matched eigenfunction expansion method, an analytical method is presented to calculate the reflection coefficient and the wave force coefficient of the breakwater. The calculated results of the reflection coefficient for limiting cases are the same to the existing results. The main effect factors of the reflection coefficient and the wave force coefficient are analyzed by numerical examples. With the increasing of thickness of rock fill, the wave force coefficient on the perforated wall generally decreases, while the reflection coefficient increases. With the increasing of the incident angle of the wave, the reflection coefficient of the breakwater first decreases, reaches its minimum, and then increases monotonously.
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| 关 键 词： | 相互作用 防波堤 穿孔 岩石 斜向波 特征函数展开法 反射系数 填补 |
| 收稿时间： | 2008/9/13 0:00:00 |
| 修稿时间： | 2009/6/24 0:00:00 |
The theoretical study on diagonal wave interaction with perforated-wall breakwater with rock fill |
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| LIU Hongjie,LIU Yong,LI Yucheng.The theoretical study on diagonal wave interaction with perforated-wall breakwater with rock fill[J].Acta Oceanologica Sinica,2009,28(6):103-110. |
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| Authors: | LIU Hongjie LIU Yong and LI Yucheng |
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| Institution: | 1.Zhejiang Provincial Planning, Design & Research Institute of Communications, Hangzhou 310006, China2.College of Engineering, Ocean University of China, Qingdao 266100, China3.State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116023, China |
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| Abstract: | The interaction of diagonal waves with perforated-wall breakwater partially filled with rock fill is studied using the linear potential theory. By means of the matched eigenfunction expansion method, an analytical method is presented to calculate the reflection coefficient and the wave force coefficient of the breakwater. The calculated results of the reflection coefficient for limiting cases are the same to the existing results. The main effect factors of the reflection coefficient and the wave force coefficient are analyzed by numerical examples. With the increasing of thickness of rock fill,the wave force coefficient on the perforated wall generally decreases, while the reflection coefficient increases. With the increasing of the incident angle of the wave, the reflection coefficient of the breakwater first decreases, reaches its minimum, and then increases monotonously. |
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| Keywords: | diagonal wave perforated wall rock fill reflection coefficient wave force |
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